So, my poor Pearl Gourami died from what I have figured to be Iridovirus after some chatting. This leaves my 55g looking a bit empty. I currently have 15 Glowlight Tetras, 6 Marbled Hatchets, 3 Guppies, 4 Yo-Yo Loaches, 1 Bristlenose Pleco, 1 Clown Pleco, and 8 or 10 Kuhli Loaches. I've...